Scientists have used data from the Southwest Research Institute-led Magnetospheric Multiscale (MMS) mission to explain the presence of energetic heavy elements in galactic cosmic rays (GCRs). GCRs are composed of fast-moving ...
Astronomy
Jul 6, 2021
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2562
A new study reveals that, contrary to first impressions, Rosetta did detect signs of an infant bow shock at the comet it explored for two years – the first ever seen forming anywhere in the solar system.
Space Exploration
Dec 12, 2018
10
334
This infrared image from NASA's Spitzer Space Telescope shows a cloud of gas and dust full of bubbles, which are inflated by wind and radiation from young, massive stars. Each bubble is filled with hundreds to thousands of ...
Astronomy
Sep 30, 2019
2
618
(Phys.org) —Roguish runaway stars can have a big impact on their surroundings as they plunge through the Milky Way galaxy. Their high-speed encounters shock the galaxy, creating arcs, as seen in this newly released image ...
Astronomy
Feb 21, 2014
17
0
As the energetic particles of the solar wind speed across interplanetary space, their motion is modified by objects in their path. A study, based on data from ESA's Mars Express orbiter, has thrown new light on a surprising ...
Space Exploration
Aug 22, 2017
15
183
(PhysOrg.com) -- Even some stars go ballistic, racing through interstellar space like bullets and tearing through clouds of gas.
Astronomy
Jan 7, 2009
2
0
(Phys.org)—During a chance encounter with what appears to be an unusually strong blast of solar wind at Saturn, NASA's Cassini spacecraft detected particles being accelerated to ultra-high energies. This is similar to the ...
Space Exploration
Feb 20, 2013
18
0
(PhysOrg.com) -- Jupiter-like worlds around other stars push shock waves ahead of them, according to a team of UK astronomers. Just as the Earth's magnetic "bow-shock" protects us from the high-energy solar wind, these planetary ...
Astronomy
Apr 19, 2011
0
0
(Phys.org) -- NASA's Chandra X-ray Observatory and ESA's XMM-Newton in space, and the Parkes radio telescope in Australia -- may have found the fastest moving pulsar ever seen.
Astronomy
Jun 28, 2012
3
0
An international team of astronomers has conducted radio observations of a bow shock in the X-ray binary Vela X-1 using MeerKAT telescope. The observational campaign resulted in the detection of radio emission from this source. ...
